Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jul 16 2026 at 8:02 AM PDT |
| Prob | Jul* | Aug | Sep | Oct | Nov | Dec |
| 10% | 2.8 | 3.0 | 3.4 | 4.1 | 9.7 | 31.9 |
| 25% | 2.7 | 2.7 | 2.8 | 3.5 | 5.8 | 14.6 |
| 50% | 2.6 | 2.4 | 2.4 | 3.1 | 3.4 | 6.4 |
| 75% | 2.6 | 2.2 | 2.2 | 2.7 | 3.0 | 3.2 |
| 90% | 2.6 | 2.2 | 2.1 | 2.5 | 2.8 | 2.9 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Jan | Feb | Mar | Apr | May | Jun |
| 10% | 40.9 | 78.4 | 68.5 | 43.6 | 15.4 | 5.7 |
| 25% | 24.6 | 32.3 | 47.1 | 29.5 | 9.5 | 4.8 |
| 50% | 10.2 | 11.0 | 20.6 | 12.0 | 6.6 | 3.8 |
| 75% | 4.0 | 4.6 | 7.1 | 5.9 | 4.1 | 3.1 |
| 90% | 3.1 | 3.1 | 5.3 | 3.9 | 3.1 | 2.5 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Note 1: %Mean is the "Median forecast monthly value (50%)" divided by the "monthly mean" (displayed as a %) |
| Note 2: For current month, graphic represents remaining forecast only, text represents observed + remaining forecast. |
